Finding the Third Proportional to 902,628 and 1,982,391

Step by Step Solution

1. Step 1: Write the proportion equation
   902,628 : 1,982,391 = 1,982,391 : x
2. Step 2: Convert to fraction form
   902,628/1,982,391 = 1,982,391/x
3. Step 3: Cross multiply
   902,628x = 1,982,391 × 1,982,391
4. Step 4: Simplify right side
   902,628x = 3,929,874,076,881
5. Step 5: Solve for x
   x = 3,929,874,076,881/902,628
6. Step 6: Final answer
   x = 4,353,813.62